Add ability to provide custom request headers when fetching schedule

src/__tests__/backends/json/JsonScheduleBackend.test.ts

@@ -18,6 +18,11 @@ function jsonScheduleServer() {
         const json = getFixture("original_democon.json");
         res.end(json);
       } else if (req.url === "/fosdem/p/matrix") {
+        if (req.headers.authorization !== "Bearer TOKEN") {
+          res.writeHead(401);
+          res.end("Not authorised");
+          return;
+        }
         res.writeHead(200);
         const json = getFixture("fosdem_democon.json");
         res.end(json);
@@ -51,6 +56,9 @@ describe("JsonScheduleBackend", () => {
         scheduleDefinition: `http://127.0.0.1:${
           (serv.address() as AddressInfo).port
         }/fosdem/p/matrix`,
+        scheduleRequestHeaders: {
+          "Authorization": "Bearer TOKEN"
+        }
       },
       globalConfig
     );

src/backends/json/JsonScheduleBackend.ts

@@ -28,12 +28,14 @@ export class JsonScheduleBackend implements IScheduleBackend {
         let jsonDesc: any;
         let cached = false;
 
+
         const cachedSchedulePath = path.join(dataPath, 'cached_schedule.json');
 
         try {
             if (cfg.scheduleDefinition.startsWith("http")) {
+                const headers = cfg.scheduleRequestHeaders ?? {};
                 // Fetch the JSON track over the network
-                jsonDesc = await fetch(cfg.scheduleDefinition).then(r => r.json());
+                jsonDesc = await fetch(cfg.scheduleDefinition, {headers}).then(r => r.json());
             } else {
                 // Load the JSON from disk
                 jsonDesc = await readJsonFileAsync(cfg.scheduleDefinition);

src/config.ts

@@ -133,6 +133,15 @@ export interface IJsonScheduleBackendConfig {
      * Defaults to original.
      */
     scheduleFormat?: JsonScheduleFormat;
+
+    /**
+     * Map of request headers to send when requesting the schedule definition.
+     * Useful for authenticating requests.
+     * Required for the FOSDEM-format schedules.
+     *
+     * Defaults to no headers.
+     */
+    scheduleRequestHeaders?: {[_: string]: string};
 }
 
 export enum PretalxScheduleFormat {